Changes in version 1.1.1 (2023-06-13) Bugfixes & changes - Follow changes in Matrix 1.6-0 (Matrix::solve(a=, b=) returns a vector). Changes in version 1.1.0 (2023-05-18) New classes and methods - Add penalized likelihood smoothing (de Rooi et al. 2014). - Add ka2 radiation removal method (de Rooi et al., 2014). Bugfixes & changes - baseline_peakfilling() now smoothes the data using the Whittaker smoother as defined in Liland (2015). Internals - Use tinytest instead of testthat. Changes in version 1.0.0 (2022-09-15) - First release